<template xlang="wxml">
	<view class="tki-tree">
		<!-- <view class="tki-tree-mask" :class="{'show':showTree}" @tap="_cancel"></view>
		<view class="tki-tree-cnt" :class="{'show':showTree}"> -->
		<!-- <view class="tki-tree-bar">
				<view class="tki-tree-bar-cancel" :style="{'color':cancelColor}" hover-class="hover-c" @tap="_cancel">取消</view>
				<view class="tki-tree-bar-title" :style="{'color':titleColor}">{{title}}</view>
				<view class="tki-tree-bar-confirm" :style="{'color':confirmColor}" hover-class="hover-c" @tap="_confirm">确定</view>
			</view> -->

		<view class="tki-tree-view">
			<scroll-view class="tki-tree-view-sc" :scroll-y="true">
				<block v-for="(item, index) in treeList" :key="index">
					<view class="tki-tree-item" :style="[{
							paddingLeft: item.rank*15 + 'px',
							zIndex: item.rank*-1 +50
						}]" :class="{
							border: border === true,
							show: item.show,
							last: item.lastRank,
							showchild: item.showChild,
							open: item.open,
						}">
						<!-- @tap.stop="_treeItemTap(item, index)"  -->

						<view class="tki-tree-label" @tap.stop="_treeItemTap(item, index)">
							<image class="tki-tree-icon"
								:src="item.lastRank ? lastIcon : item.showChild ? currentIcon : defaultIcon"></image>
							{{item.name}}
						</view>
						<!-- @tap.stop="_treeItemSelect(item, index)" -->
						<!-- <view class="tki-tree-check" v-if="selectParent?true:item.lastRank">
							<view class="tki-tree-check-yes" v-if="item.checked" :class="{'radio':!multiple}"
								:style="{'border-color':confirmColor}">
								<view class="tki-tree-check-yes-b" :style="{'background-color':confirmColor}"></view>
							</view>
							<view class="tki-tree-check-no" v-else :class="{'radio':!multiple}"
								:style="{'border-color':confirmColor}"></view>
						</view> -->

					</view>
				</block>
			</scroll-view>
		</view>
	</view>
	</view>
</template>

<script>
	export default {
		name: "tki-tree",
		props: {
			range: {
				type: Array,
				default: function() {
					return []
				}
			},
			name: {
				type: String,
				default: 'id'
			},
			idKey: {
				type: String,
				default: 'id'
			},
			selectId: {
				type: Object, // 对象 // 对象或数组默认值必须从一个工厂函数获取
				default: function() {
					return {
						fId: ''
					}
				}
			},

			rangeKey: {
				type: String,
				default: 'label'
			},
			title: {
				type: String,
				default: ''
			},
			multiple: { // 是否可以多选
				type: Boolean,
				default: false
				// default: true
			},
			selectParent: { //是否可以选父级
				type: Boolean,
				default: false
			},
			foldAll: { //折叠时关闭所有已经打开的子集，再次打开时需要一级一级打开
				type: Boolean,
				default: false
			},
			confirmColor: { // 确定按钮颜色
				type: String,
				default: '' // #1752db
			},
			cancelColor: { // 取消按钮颜色
				type: String,
				default: '' // #757575
			},
			titleColor: { // 标题颜色
				type: String,
				default: '' // #1752db
			},
			currentIcon: { // 展开时候的ic
				type: String,
				default: ''
			},
			defaultIcon: { // 折叠时候的ic
				type: String,
				default: ''
			},
			lastIcon: { // 没有子集的ic
				type: String,
				default: ''
			},
			border: { // 是否有分割线
				type: Boolean,
				default: false
			},
		},
		data() {
			return {
				showTree: false,
				treeList: [],
				selectIndex: -1,
				source: {},
				allArr: [],
				newg: [],
				g: []
			}
		},
		computed: {},
		methods: {
			_show() {
				this.showTree = true
			},
			_hide() {
				this.showTree = false
			},
			_cancel() {
				this._hide()
				this.$emit("cancel", '');
			},
			_confirm() {
				// 处理所选数据
				let rt = [],
					obj = {};
				this.treeList.forEach((v, i) => {
					if (this.treeList[i].checked) {
						obj = {}
						obj.parents = this.treeList[i].parents
						obj = Object.assign(obj, this.treeList[i].source)
						// 移除子元素
						delete obj.children
						rt.push(obj)
					}
				})
				this._hide()
				this.$emit("confirm", rt);
			},
			//扁平化树结构
			_renderTreeList(list = [], rank = 0, parentId = [], parents = []) {
				list.forEach(item => {
					// console.log(item)
					this.treeList.push({
						id: item[this.idKey],
						name: item[this.rangeKey],
						source: item,
						parentId, // 父级id数组
						parents, // 父级id数组
						rank, // 层级
						showChild: false, //子级是否显示
						open: false, //是否打开
						show: rank === 0, // 自身是否显示
						hideArr: [],
						orChecked: item.checked ? item.checked : false,
						checked: item.checked ? item.checked : false,
					})
					if (Array.isArray(item.children) && item.children.length > 0) {
						// console.log(item)
						let parentid = [...parentId],
							parentArr = [...parents],
							childrenid = [...childrenid];
						delete parentArr.children
						parentid.push(item[this.idKey]);
						parentArr.push({
							[this.idKey]: item[this.idKey],
							[this.rangeKey]: item[this.rangeKey]
						})
						this._renderTreeList(item.children, rank + 1, parentid, parentArr);
					} else {
						this.treeList[this.treeList.length - 1].lastRank = true;
					}
				})
				// console.log(list)
			},
			// 处理默认选择
			_defaultSelect() {
				this.treeList.forEach((v, i) => {
					if (v.checked) {
						this.treeList.forEach((v2, i2) => {
							if (v.parentId.toString().indexOf(v2.parentId.toString()) >= 0) {
								v2.show = true
								if (v.parentId.includes(v2.id)) {
									v2.showChild = true;
									v2.open = true;
								}
							}
						})
					}
				})
			},
			// 点击
			_treeItemTap(item, index) {
				// console.log(item, index, this.treeList, this.selectId)
				// if (item.lastRank === true) {
				// 	//点击最后一级时触发事件
				// 	this.treeList[index].checked = !this.treeList[index].checked
				// 	this._fixMultiple(index)
				// 	return;
				// }
				// let list = this.treeList;
				// let id = item.id;
				// item.showChild = !item.showChild;
				// item.open = item.showChild ? true : !item.open;
				// list.forEach((childItem, i) => {
				// 	if (item.showChild === false) {
				// 		//隐藏所有子级
				// 		if (!childItem.parentId.includes(id)) {
				// 			return;
				// 		}
				// 		if (!this.foldAll) {
				// 			if (childItem.lastRank !== true && !childItem.open) {
				// 				childItem.showChild = false;
				// 			}
				// 			// 为隐藏的内容添加一个标记
				// 			if (childItem.show) {
				// 				childItem.hideArr[item.rank] = id
				// 			}
				// 		} else {
				// 			if (childItem.lastRank !== true) {
				// 				childItem.showChild = false;
				// 			}
				// 		}
				// 		childItem.show = false;
				// 	} else {
				// 		// 打开子集
				// 		if (childItem.parentId[childItem.parentId.length - 1] === id) {
				// 			childItem.show = true;
				// 		}
				// 		// 打开被隐藏的子集
				// 		if (childItem.parentId.includes(id) && !this.foldAll) {
				// 			// console.log(childItem.hideArr)
				// 			if (childItem.hideArr[item.rank] === id) {
				// 				childItem.show = true;
				// 				if (childItem.open && childItem.showChild) {
				// 					childItem.showChild = true
				// 				} else {
				// 					childItem.showChild = false
				// 				}
				// 				childItem.hideArr[item.rank] = null
				// 			}
				// 			// console.log(childItem.hideArr)
				// 		}
				// 	}
				// })

				let rt = [],
					obj = {};

				var allobj = []
				var d = []

				this.allArr = this.allArr.concat(this.treeList)



				var g = Array.from(new Set(this.allArr))

				// console.log("05",item, index, this.treeList, this.selectId, g)
				if (this.selectId.fId != "" && this.selectId.fId != undefined) {

					// this.newg = g.filter((item) => {
					// 	return item.id != this.selectId.fId
					// })
					// this.newg = g.map((item) => {
					// 	// console.log(item)
					// 	if(item.id == this.selectId.fId){
					// 		item.checked=false
					// 		console.log(item)
					// 	}
					// 	// return item.id != this.selectId.fId
					// })
					// for (var i = 0; i < g.length; i++) {
					// 	if (g[i].id == this.selectId.fId) {
					// 		g[i].checked = false
					// 	}
					// }
					// console.log(g,this.newg)
					this.selectId.fId = ""
					this.treeList[index].checked = !this.treeList[index].checked
					// for (var i = 0; i < this.treeList.length; i++) {
					// 	if (item.id == this.treeList[i].id) {

					// 		this.treeList[index].checked = false
					// 		console.log(this.treeList[i])
					// 	} else {
					// 		this.treeList[index].checked = !this.treeList[index].checked
					// 	}
					// }
					this.g = g
					// console.log(this.treeList, this.newg)
					// console.log(1)
					
					// 多选
					// this.$emit("sonTate", g);
					// 多选

					// 单选
					this.$emit("sonTate", g, item);
					// 单选


				} else {
					// console.log(2)
					// for (var i = 0; i < this.treeList.length; i++) {
					// 						if (item.id == this.treeList[i].id) {

					// 							this.treeList[index].checked =false
					// 							console.log(this.treeList[i])
					// 						}else {
					// 							this.treeList[index].checked = !this.treeList[index].checked
					// 						}
					// 					}
					this.treeList[index].checked = !this.treeList[index].checked
					// console.log(this.newg,g)
					this.g = g
					// 多选
					// this.$emit("sonTate", g);
					// 多选
					
					// 单选
					this.$emit("sonTate", g, item);
					// 单选
				}
				// for (var i = 0; i < this.treeList.length; i++) {
				// 	if (item.id != this.treeList[i].id) {
				// 		this.treeList[index].checked = !this.treeList[index].checked
				// 	}
				// }
				// this.treeList[index].checked = !this.treeList[index].checked

				// this.$emit("sonTate", this.newg);

				this._fixMultiple(index)

				this._hide()

				// console.log(this.treeList)
			},
			setInverted(index) {
				this.selectPerson.splice(index, 1)
				// console.log(this.selectPerson)



				// var str = ""
				// for (var i = 0; i < this.APPlist.length; i++) {

				// 	str += this.APPlist[i] + ","
				// }

				// if (str.length > 0) {
				// 	str = str.substr(0, str.length - 1);
				// }
				// this.totalData.fSampletestpiece = str
			},
			_treeItemSelect(item, index) {

				let rt = [],
					obj = {};

				var allobj = []
				var d = []
				this.allArr = this.allArr.concat(this.treeList)



				var g = Array.from(new Set(this.allArr))

				if (this.selectId.fId != "") {
					var newg = g.filter(item => item.id != this.selectId.fId)
				}
				this.treeList[index].checked = !this.treeList[index].checked;
				this.$emit("sonTate", newg);

				this._fixMultiple(index)

				this._hide()

			},
			// 处理单选多选
			_fixMultiple(index) {
				// var newg = g.filter(item => item.id != this.selectId.fId)
				if (!this.multiple) {
					// 如果是单选
					this.treeList.forEach((v, i) => {
						if (i != index) {
							this.treeList[i].checked = false
						} else {
							this.treeList[i].checked = true
						}
					})
				}
			},
			// 重置数据
			_reTreeList() {
				this.treeList.forEach((v, i) => {
					this.treeList[i].checked = v.orChecked
				})
			},
			_initTree(range = this.range) {
				this.treeList = [];
				this._renderTreeList(range);
				this.$nextTick(() => {
					this._defaultSelect(range)
				})
			}
		},
		watch: {
			range(list) {
				this._initTree(list);
			},
			multiple() {
				if (this.range.length) {
					this._reTreeList();
				}
			},
			selectId() {
				if (this.selectId.fId != "") {
					for (var i = 0; i < this.g.length; i++) {
						if (this.g[i].id == this.selectId.fId) {
							this.g[i].checked = false
						}
					}
					// console.log(this.g)
				}
			},
			selectParent() {
				if (this.range.length) {
					this._reTreeList();
				}
			},
			name(a, b) {
				// console.log(a,b,this.newg)
				this.newg = []
				this.allArr = []
				this.treeList = []
				// this.allArr.concat()
				// console.log(a,b,this.newg)
			}
		},
		mounted() {
			this._initTree();
		}
	}
</script>

<style scoped>
	@import "./style.css";
</style>
